1. Morton and Gloria Shulman Movement Disorder Unit & E.J. Safra Parkinson Disease Program, Neurology Div/Dept. Medicine, Toronto Western Hospital, UHN; Krembil Research Institute, UHN; Research Imaging Centre, Campbell Family Mental Health Research Institute, CAMH; University of Toronto; Ontario Canada
2. University of Michigan & Veterans Administration Medical Center; Ann Arbor Michigan USA
3. Neurology, Radiology, Neuroscience, Physical Therapy & Occupational Therapy; Washington University in St. Louis; St. Louis Missouri USA
4. Center for Neurosciences; The Feinstein Institute for Medical Research; Manhasset New York USA
5. Newcastle Magnetic Resonance Centre & Positron Emission Tomography Centre; Newcastle University; Campus for Ageing & Vitality Newcastle upon Tyne United Kingdom
6. Multimodal Neuroimaging Group-Department of Nuclear Medicine Department of Neurology-University of Cologne; Institute of Neuroscience and Medicine, Jülich Research Center, German Center for Neurodegenerative Diseases (DZNE); Germany
7. Neurology Imaging Unit, Centre of Neuroinflammation and Neurodegeneration, Division of Brain Sciences, Hammersmith Campus; Imperial College London; United Kingdom
8. Neurodegeneration Imaging Group, Department of Basic and Clinical Neuroscience, Institute of Psychiatry; Psychology and Neuroscience, King's College London; London United Kingdom
9. Hospices Civils de Lyon, Hopital Neurologique Pierre Wertheimer; Université Lyon 1; CNRS, Centre de Neurosciences Cognitives; UMR 5229 Lyon France
10. Department of Clinical and Experimental Medicine, Movement Disorders and Parkinson Center; University of Pisa; Italy
11. National Institute of Radiological Sciences; National Institutes for Quantum and Radiological Science and Technology; Chiba Japan
12. Division of Clinical Neurosciences, Turku University Hospital; Department of Neurology; University of Turku; Turku PET Centre, University of Turku; Turku Finland
13. Cognitive & Movement Disorders Clinic, Sunnybrook Health Sciences Centre; Hurvitz Brain Sciences Research Program, Sunnybrook Research Institute; University of Toronto; Toronto Ontario Canada
14. Movement Disorder and Parkinson's Disease Program; CEMIC University Hospital; Buenos Aires Argentina
15. Centro Integral de Neurociencias (CINAC), Hospitales Madrid Puerta del Sur & Centro de Investigación Biomédica en Red; Enfermedades Neurodegenerativas (CIBERNED); Madrid Spain
16. Parkinson Institute; ASST Gaetano Pini-CTO; Milan Italy
17. INSERM, U1028; CNRS, UMR5292; Lyon Neuroscience Research Center, Neuroplasticity & Neuropathology of Olfactory Perception Team; University Lyon; France
18. Pacific Parkinson's Research Centre & National Parkinson Foundation Centre of Excellence; University of British Columbia & Vancouver Coastal Health; Vancouver British Columbia Canada